/Engine/Source/Runtime/Engine/Classes/GameFramework/CharacterMovementComponent.h
React to new transform from network update. Sets bNetworkSmoothingComplete to false to ensure future smoothing updates. IMPORTANT: It is expected that this function triggers any movement/transform updates to match the network update if desired.
virtual void SmoothCorrection ( const FVector & OldLocation, const FQuat & OldRotation, const FVector & NewLocation, const FQuat & NewRotation )